EP3182583A3 - Oscillator scheme capable of reducing far-out phase noise and closed-in phase noise - Google Patents

Oscillator scheme capable of reducing far-out phase noise and closed-in phase noise Download PDF

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Publication number
EP3182583A3
EP3182583A3 EP16198335.8A EP16198335A EP3182583A3 EP 3182583 A3 EP3182583 A3 EP 3182583A3 EP 16198335 A EP16198335 A EP 16198335A EP 3182583 A3 EP3182583 A3 EP 3182583A3
Authority
EP
European Patent Office
Prior art keywords
phase noise
closed
scheme capable
transconductance amplifier
oscillator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16198335.8A
Other languages
German (de)
French (fr)
Other versions
EP3182583B1 (en
EP3182583A2 (en
Inventor
Hao-Wei Huang
Yen-Tso Chen
Kun-Yin Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MediaTek Inc
Original Assignee
MediaTek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MediaTek Inc filed Critical MediaTek Inc
Publication of EP3182583A2 publication Critical patent/EP3182583A2/en
Publication of EP3182583A3 publication Critical patent/EP3182583A3/en
Application granted granted Critical
Publication of EP3182583B1 publication Critical patent/EP3182583B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B1/00—Details
    • H03B1/04—Reducing undesired oscillations, e.g. harmonics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/02—Details
    • H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/362—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L5/00—Automatic control of voltage, current, or power
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0062—Bias and operating point
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0088—Reduction of noise
    • H03B2200/009—Reduction of phase noise

Abstract

An oscillator apparatus (100) includes an oscillator core circuit (105). The oscillator core circuit (105) includes an inverting transconductance amplifier (1052), at least one first capacitor (1053A, 4053A), at least one second capacitor (1053B, 4053B), and a resonator (1054). The at least one first capacitor (1053A, 4053A) is connected between an input of the inverting transconductance amplifier (1052) and a ground level. The at least one second capacitor (1053B, 4053B) is connected between an output of the inverting transconductance amplifier (1052) and the ground level. The resonator (1054) has a first port connected to the input of the inverting transconductance amplifier (1052) and a second port connected to the output of the inverting transconductance amplifier (1052). The first port is decoupled from the second port.
EP16198335.8A 2015-12-15 2016-11-11 Oscillator scheme capable of reducing far-out phase noise and closed-in phase noise Active EP3182583B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562267296P 2015-12-15 2015-12-15
US15/345,483 US10367450B2 (en) 2015-12-15 2016-11-07 Oscillator scheme capable of reducing far-out phase noise and closed-in phase noise

Publications (3)

Publication Number Publication Date
EP3182583A2 EP3182583A2 (en) 2017-06-21
EP3182583A3 true EP3182583A3 (en) 2017-09-06
EP3182583B1 EP3182583B1 (en) 2019-03-20

Family

ID=57288216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16198335.8A Active EP3182583B1 (en) 2015-12-15 2016-11-11 Oscillator scheme capable of reducing far-out phase noise and closed-in phase noise

Country Status (3)

Country Link
US (1) US10367450B2 (en)
EP (1) EP3182583B1 (en)
CN (1) CN107070405B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6843605B2 (en) * 2016-12-06 2021-03-17 キヤノン株式会社 Power supply and image forming equipment
US11309835B2 (en) 2020-08-26 2022-04-19 Mediatek Inc. Crystal oscillator and phase noise reduction method thereof
US11342884B2 (en) 2020-08-26 2022-05-24 Mediatek Inc. Crystal oscillator and phase noise reduction method thereof

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829795A (en) * 1971-08-13 1974-08-13 Rockwell International Corp Crystal oscillator using field effect transistors in an integrated circuit
EP0488394A2 (en) * 1990-11-29 1992-06-03 Kabushiki Kaisha Toshiba Oscillation circuit
EP0563945A1 (en) * 1992-03-31 1993-10-06 Nec Corporation Phase locked loop
EP1333501A2 (en) * 2002-01-21 2003-08-06 Sharp Kabushiki Kaisha Multi-terminal MOS varactor
US6798301B1 (en) * 2001-06-11 2004-09-28 Lsi Logic Corporation Method and apparatus for controlling oscillation amplitude and oscillation frequency of crystal oscillator
US20050184812A1 (en) * 2004-02-20 2005-08-25 Samsung Electronics Co., Ltd. Capacitor bank and voltage controlled oscillator having the same
US20070046387A1 (en) * 2005-08-03 2007-03-01 Blum Gregory A Method and apparatus for amplitude control using dynamic biasing in a voltage controlled oscillator
US20070103248A1 (en) * 2005-11-09 2007-05-10 Takahiro Nakamura Oscillator and data processing equipment using the same and voltage control oscillator and data processing equipment using voltage control oscillator
US7598821B2 (en) * 2006-10-27 2009-10-06 Em Microelectronic-Marin S.A. Amplitude controlled quartz oscillator with broad voltage and temperature range
US20100321123A1 (en) * 2007-12-19 2010-12-23 The Swatch Group Research And Development Ltd Low power consuming quartz oscillator circuit with active polarisation
US20150116048A1 (en) * 2013-10-30 2015-04-30 Seiko Epson Corporation Oscillation circuit, oscillator, manufacturing method of oscillator, electronic device, and moving object
US20150145611A1 (en) * 2013-11-27 2015-05-28 Seiko Epson Corporation Oscillator circuit, oscillator, electronic apparatus, and moving object

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757242A (en) * 1996-12-09 1998-05-26 Industrial Technology Research Institute Low power consumption oscillators with output level shifters
US7123113B1 (en) * 2004-06-11 2006-10-17 Cypress Semiconductor Corp. Regulated, symmetrical crystal oscillator circuit and method
US8773215B2 (en) 2011-09-09 2014-07-08 International Business Machines Corporation Fully decoupled LC-tank based oscillator topology for low phase noise and high oscillation amplitude applications
US10135390B2 (en) * 2015-06-22 2018-11-20 Microchip Technology Incorporated Periodic kick-starter for a crystal oscillator
US9647670B2 (en) * 2015-09-15 2017-05-09 Silicon Laboratories Inc. Oscillator with dynamic gain control

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829795A (en) * 1971-08-13 1974-08-13 Rockwell International Corp Crystal oscillator using field effect transistors in an integrated circuit
EP0488394A2 (en) * 1990-11-29 1992-06-03 Kabushiki Kaisha Toshiba Oscillation circuit
EP0563945A1 (en) * 1992-03-31 1993-10-06 Nec Corporation Phase locked loop
US6798301B1 (en) * 2001-06-11 2004-09-28 Lsi Logic Corporation Method and apparatus for controlling oscillation amplitude and oscillation frequency of crystal oscillator
EP1333501A2 (en) * 2002-01-21 2003-08-06 Sharp Kabushiki Kaisha Multi-terminal MOS varactor
US20050184812A1 (en) * 2004-02-20 2005-08-25 Samsung Electronics Co., Ltd. Capacitor bank and voltage controlled oscillator having the same
US20070046387A1 (en) * 2005-08-03 2007-03-01 Blum Gregory A Method and apparatus for amplitude control using dynamic biasing in a voltage controlled oscillator
US20070103248A1 (en) * 2005-11-09 2007-05-10 Takahiro Nakamura Oscillator and data processing equipment using the same and voltage control oscillator and data processing equipment using voltage control oscillator
US7598821B2 (en) * 2006-10-27 2009-10-06 Em Microelectronic-Marin S.A. Amplitude controlled quartz oscillator with broad voltage and temperature range
US20100321123A1 (en) * 2007-12-19 2010-12-23 The Swatch Group Research And Development Ltd Low power consuming quartz oscillator circuit with active polarisation
US20150116048A1 (en) * 2013-10-30 2015-04-30 Seiko Epson Corporation Oscillation circuit, oscillator, manufacturing method of oscillator, electronic device, and moving object
US20150145611A1 (en) * 2013-11-27 2015-05-28 Seiko Epson Corporation Oscillator circuit, oscillator, electronic apparatus, and moving object

Also Published As

Publication number Publication date
CN107070405A (en) 2017-08-18
US20170170784A1 (en) 2017-06-15
EP3182583B1 (en) 2019-03-20
US10367450B2 (en) 2019-07-30
EP3182583A2 (en) 2017-06-21
CN107070405B (en) 2020-12-18

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